What is the proper technique for handwashing?

The proper technique for handwashing is to wet hands, apply soap, and lather for at least 20 seconds. This method ensures that the soap effectively interacts with the skin to break down and remove dirt, germs, and other contaminants. Lathering for at least 20 seconds is critical, as it allows enough time to thoroughly clean all surfaces of the hands, including between fingers and under the nails, which are often missed during quick washes.

The effectiveness of handwashing is significantly improved by the proper duration of lathering, as this helps to dislodge pathogens and debris from the skin. Following this procedure with thorough rinsing under clean running water completes the process, allowing for the removal of all soap and any dislodged contaminants.